Meaning of carotid body

carot'id bod"y

Pronunciation: [key]
— Anat. Anat.
  1. a small mass of cells and nerve endings adjacent to the carotid sinus that, in response to chemical changes in the blood, adjusts the respiratory rate. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.